https://www.google.co.kr/search?q=sea+of+japan+map&newwindow=1&biw=1829&bih=938&source=lnms&tbm=isch&sa=X&ei=AiR2VavcM4nn8gW1m4GIBw&ved=0CAYQ_AUoAQ#imgrc=cT7jjsNtdl8mgM%253A%3Bl5DmgELf8GXCqM%3Bhttp%253A%252F%252Fstudyabroad.umsl.edu%252Fabroad%252Fimages%